#include <iostream>
#include <cmath>

class Solution
{
public:
    int main()
    {
        int T;
        std::cin >> T;
        if (T == 1)
        {
            std::cout << "I love Luogu!";
        }
        else if (T == 2)
        {
            std::cout << 2 + 4 << " " << 10 - 2 - 4;
        }
        else if (T == 3)
        {
            std::cout << 3 << std::endl
                      << 12 << std::endl
                      << 2;
        }
        else if (T == 4)
        {
            std::cout << "166.667";
        }
        else if (T == 5)
        {
            std::cout << (220 + 260) / (20 + 12);
        }
        else if (T == 6)
        {
            std::cout << sqrt(6 * 6 + 9 * 9);
        }
        else if (T == 7)
        {
            std::cout << 110 << std::endl
                      << 90 << std::endl
                      << 0;
        }
        else if (T == 8)
        {
            const double pi = 3.141593;
            std::cout << pi * 10.0 << std::endl
                      << pi * 25.0 << std::endl
                      << 4.0 / 3.0 * pi * 125.0 << std::endl;
        }
        else if (T == 9)
        {
            std::cout << 22;
        }
        else if (T == 10)
        {
            std::cout << 9;
        }
        else if (T == 11)
        {
            std::cout << 100.0 / 3.0;
        }
        else if (T == 12)
        {
            std::cout << 13 << std::endl
                      << "R";
        }
        else if (T == 13)
        {
            const double pi = 3.141593;
            std::cout << static_cast<int>(pow(4.0 / 3.0 * pi * (4 * 4 * 4 + 10 * 10 * 10), 1.0 / 3.0));
        }
        else if (T == 14)
        {
            std::cout << 50;
        }
        return 0;
    }
};

#ifndef __LOCAL_TEST__
int main()
{
    return Solution().main();
}
#endif